<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>VR实景体验馆</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #1a237e, #311b92, #4a148c);
            color: white;
            min-height: 100vh;
            overflow: hidden;
            position: relative;
        }
        
        .vr-container {
            display: flex;
            flex-direction: column;
            height: 100vh;
            position: relative;
            overflow: hidden;
        }
        
        .header {
            text-align: center;
            padding: 20px;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 10;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        
        .header h1 {
            font-size: 2.8rem;
            margin-bottom: 10px;
            background: linear-gradient(45deg, #00e5ff, #b388ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 20px rgba(179, 136, 255, 0.5);
        }
        
        .header p {
            font-size: 1.2rem;
            opacity: 0.8;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .vr-content {
            display: flex;
            flex: 1;
            gap: 20px;
            padding: 20px;
        }
        
        .viewer-container {
            flex: 3;
            background: rgba(0, 0, 0, 0.4);
            border-radius: 15px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.7);
        }
        
        .vr-viewer {
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1519501025264-65ba15a82390?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80') center/cover;
            position: relative;
            transition: all 0.8s ease;
        }
        
        .vr-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle, transparent 40%, rgba(0, 0, 0, 0.7));
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }
        
        .scene-title {
            font-size: 2.5rem;
            margin-bottom: 20px;
            text-align: center;
            text-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
        }
        
        .scene-description {
            max-width: 500px;
            text-align: center;
            font-size: 1.1rem;
            line-height: 1.6;
            opacity: 0.9;
            padding: 0 20px;
        }
        
        .vr-controls {
            flex: 1;
            background: rgba(0, 0, 0, 0.4);
            border-radius: 15px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            backdrop-filter: blur(10px);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.5);
            max-width: 350px;
        }
        
        .control-section {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .section-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
            border-bottom: 2px solid #00e5ff;
            padding-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        
        .scene-card {
            aspect-ratio: 1;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
        }
        
        .scene-card:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.6);
        }
        
        .scene-card.active {
            box-shadow: 0 0 0 3px #00e5ff, 0 0 20px rgba(0, 229, 255, 0.7);
        }
        
        .scene-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .scene-card:hover img {
            transform: scale(1.1);
        }
        
        .scene-card .scene-name {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
            padding: 8px;
            font-size: 0.9rem;
            text-align: center;
        }
        
        .controls {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        
        .control-button {
            width: 60px;
            height: 60px;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        
        .control-button:hover {
            background: rgba(0, 229, 255, 0.3);
            transform: scale(1.1);
        }
        
        .slider-container {
            margin: 15px 0;
        }
        
        .slider-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
        }
        
        .slider {
            -webkit-appearance: none;
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: linear-gradient(90deg, #00e5ff, #b388ff);
            outline: none;
        }
        
        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #ffffff;
            cursor: pointer;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
        }
        
        .action-buttons {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        
        .action-button {
            border: none;
            padding: 12px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00e5ff, #651fff);
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .action-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
        }
        
        .action-button.secondary {
            background: linear-gradient(135deg, #b388ff, #7c4dff);
        }
        
        .vr-mode-indicator {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(0, 0, 0, 0.5);
            padding: 8px 15px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(5px);
            z-index: 20;
        }
        
        .vr-headset {
            animation: vrPulse 2s infinite;
        }
        
        @keyframes vrPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
        .progress-container {
            margin-top: 20px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .progress-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
        }
        
        .progress-bar {
            height: 10px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            overflow: hidden;
        }
        
        .progress {
            height: 100%;
            width: 75%;
            background: linear-gradient(90deg, #00e5ff, #b388ff);
            border-radius: 5px;
            position: relative;
            transition: width 0.5s ease;
        }
        
        .progress::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                      rgba(255, 255, 255, 0.1) 0%, 
                      rgba(255, 255, 255, 0.4) 50%, 
                      rgba(255, 255, 255, 0.1) 100%);
            background-size: 200% 100%;
            animation: progressGlow 2s infinite;
        }
        
        @keyframes progressGlow {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        .notification {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.7);
            padding: 12px 20px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(5px);
            animation: fadeIn 0.5s;
            z-index: 30;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translate(-50%, 20px); }
            to { opacity: 1; transform: translate(-50%, 0); }
        }
        
        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }
        
        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
            animation: float 15s infinite linear;
        }
        
        @keyframes float {
            0% {
                transform: translate(0, 0) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translate(100px, -100px) rotate(360deg);
                opacity: 0;
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 900px) {
            .vr-content {
                flex-direction: column;
            }
            
            .vr-controls {
                max-width: 100%;
            }
        }
    </style>
</head>
<body>
    <div class="vr-container">
        <!-- 粒子背景 -->
        <div class="particles" id="particles"></div>
        
        <div class="header">
            <h1>VR实景体验馆</h1>
            <p>沉浸式虚拟现实体验 - 探索世界各地的壮丽景观</p>
        </div>
        
        <div class="vr-content">
            <div class="viewer-container">
                <div class="vr-viewer">
                    <div class="vr-overlay">
                        <h2 class="scene-title">热带雨林探险</h2>
                        <p class="scene-description">探索亚马逊热带雨林的深处，体验地球上生物多样性最丰富的生态系统。倾听鸟鸣，感受湿润的空气，发现隐藏的瀑布。</p>
                    </div>
                </div>
                
                <div class="vr-mode-indicator">
                    <i class="fas fa-vr-cardboard vr-headset"></i>
                    <span>VR模式已准备就绪</span>
                </div>
            </div>
            
            <div class="vr-controls">
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-globe-americas"></i>
                        场景选择
                    </h3>
                    <div class="scene-grid">
                        <div class="scene-card active">
                            <img src="https://images.unsplash.com/photo-1511497584788-876760111969?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="热带雨林">
                            <div class="scene-name">热带雨林</div>
                        </div>
                        <div class="scene-card">
                            <img src="https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="雪山之巅">
                            <div class="scene-name">雪山之巅</div>
                        </div>
                        <div class="scene-card">
                            <img src="https://images.unsplash.com/photo-1505144808419-1957a94ca61e?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="草原日落">
                            <div class="scene-name">草原日落</div>
                        </div>
                        <div class="scene-card">
                            <img src="https://images.unsplash.com/photo-1506744038136-46273834b3fb?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="海边日落">
                            <div class="scene-name">海边日落</div>
                        </div>
                    </div>
                </div>
                
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-gamepad"></i>
                        场景控制
                    </h3>
                    <div class="controls">
                        <div class="control-button">
                            <i class="fas fa-arrow-up"></i>
                        </div>
                        <div class="control-button">
                            <i class="fas fa-expand"></i>
                        </div>
                        <div class="control-button">
                            <i class="fas fa-volume-up"></i>
                        </div>
                    </div>
                    
                    <div class="slider-container">
                        <div class="slider-label">
                            <span>移动速度</span>
                            <span>中等</span>
                        </div>
                        <input type="range" min="1" max="10" value="5" class="slider">
                    </div>
                </div>
                
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-cog"></i>
                        设置
                    </h3>
                    <div class="action-buttons">
                        <button class="action-button">
                            <i class="fas fa-play"></i>
                            开始体验
                        </button>
                        <button class="action-button secondary">
                            <i class="fas fa-share-alt"></i>
                            分享场景
                        </button>
                        <button class="action-button">
                            <i class="fas fa-vr-cardboard"></i>
                            VR模式
                        </button>
                        <button class="action-button secondary">
                            <i class="fas fa-info-circle"></i>
                            场景信息
                        </button>
                    </div>
                </div>
                
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-tachometer-alt"></i>
                        加载状态
                    </h3>
                    <div class="progress-label">
                        <span>场景加载进度</span>
                        <span>75%</span>
                    </div>
                    <div class="progress-container">
                        <div class="progress-bar">
                            <div class="progress"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        
        <div class="notification">
            <i class="fas fa-info-circle"></i>
            提示：拖动鼠标或触摸屏即可360°查看场景
        </div>
    </div>

    <script>
        // 创建粒子背景
        function createParticles() {
            const particlesContainer = document.getElementById('particles');
            const particleCount = 50;
            
            for (let i = 0; i < particleCount; i++) {
                const particle = document.createElement('div');
                particle.classList.add('particle');
                
                // 随机位置
                const posX = Math.random() * 100;
                const posY = Math.random() * 100;
                
                // 随机大小
                const size = Math.random() * 3 + 1;
                
                // 随机动画延迟
                const delay = Math.random() * 15;
                const duration = 10 + Math.random() * 20;
                
                particle.style.left = `${posX}%`;
                particle.style.top = `${posY}%`;
                particle.style.width = `${size}px`;
                particle.style.height = `${size}px`;
                particle.style.animationDelay = `${delay}s`;
                particle.style.animationDuration = `${duration}s`;
                
                particlesContainer.appendChild(particle);
            }
        }
        
        // 场景切换功能
        function setupSceneSwitcher() {
            const sceneCards = document.querySelectorAll('.scene-card');
            const sceneTitle = document.querySelector('.scene-title');
            const sceneDescription = document.querySelector('.scene-description');
            const vrViewer = document.querySelector('.vr-viewer');
            
            const scenes = [
                {
                    title: "热带雨林探险",
                    description: "探索亚马逊热带雨林的深处，体验地球上生物多样性最丰富的生态系统。倾听鸟鸣，感受湿润的空气，发现隐藏的瀑布。",
                    bgImage: "https://images.unsplash.com/photo-1511497584788-876760111969?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                },
                {
                    title: "雪山之巅",
                    description: "站在世界之巅，俯瞰壮观的冰川和连绵的山脉。感受稀薄的空气和刺骨的寒冷，体验极限环境的壮丽景色。",
                    bgImage: "https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                },
                {
                    title: "草原日落",
                    description: "在非洲大草原上，欣赏令人窒息的日落美景。观看野生动物在金色夕阳下的剪影，感受大自然的原始魅力。",
                    bgImage: "https://images.unsplash.com/photo-1505144808419-1957a94ca61e?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                },
                {
                    title: "海边日落",
                    description: "漫步在热带海滩，感受温暖的阳光和轻柔的海风。观看夕阳沉入海平面，天空染上绚丽的橙红色调。",
                    bgImage: "https://images.unsplash.com/photo-1506744038136-46273834b3fb?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                }
            ];
            
            sceneCards.forEach((card, index) => {
                card.addEventListener('click', () => {
                    // 更新活动卡片
                    sceneCards.forEach(c => c.classList.remove('active'));
                    card.classList.add('active');
                    
                    // 添加加载效果
                    vrViewer.style.opacity = '0.3';
                    
                    // 更新场景内容
                    setTimeout(() => {
                        sceneTitle.textContent = scenes[index].title;
                        sceneDescription.textContent = scenes[index].description;
                        vrViewer.style.backgroundImage = `url(${scenes[index].bgImage})`;
                        vrViewer.style.opacity = '1';
                    }, 500);
                    
                    // 显示通知
                    showNotification(`已切换到: ${scenes[index].title}`);
                });
            });
        }
        
        // 显示通知
        function showNotification(message) {
            const notification = document.createElement('div');
            notification.classList.add('notification');
            notification.innerHTML = `<i class="fas fa-info-circle"></i> ${message}`;
            
            document.querySelector('.vr-container').appendChild(notification);
            
            // 3秒后移除通知
            setTimeout(() => {
                notification.style.opacity = '0';
                setTimeout(() => {
                    notification.remove();
                }, 500);
            }, 3000);
        }
        
        // 初始化
        document.addEventListener('DOMContentLoaded', () => {
            createParticles();
            setupSceneSwitcher();
            
            // 添加控制按钮交互
            document.querySelectorAll('.control-button').forEach(button => {
                button.addEventListener('click', function() {
                    this.style.transform = 'scale(0.9)';
                    setTimeout(() => {
                        this.style.transform = '';
                    }, 200);
                    
                    // 显示不同的通知
                    const icon = this.querySelector('i').className;
                    if (icon.includes('arrow-up')) {
                        showNotification('向上移动场景');
                    } else if (icon.includes('expand')) {
                        showNotification('切换全屏模式');
                    } else if (icon.includes('volume')) {
                        showNotification('调整音量');
                    }
                });
            });
            
            // 添加动作按钮交互
            document.querySelectorAll('.action-button').forEach(button => {
                button.addEventListener('click', function() {
                    const text = this.textContent.trim();
                    showNotification(`执行操作: ${text}`);
                });
            });
        });
    </script>
</body>
</html>
          max-width: 350px;
        }
        
        .control-section {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .section-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
            border-bottom: 2px solid #00e5ff;
            padding-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        
        .scene-card {
            aspect-ratio: 1;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
        }
        
        .scene-card:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.6);
        }
        
        .scene-card.active {
            box-shadow: 0 0 0 3px #00e5ff, 0 0 20px rgba(0, 229, 255, 0.7);
        }
        
        .scene-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .scene-card:hover img {
            transform: scale(1.1);
        }
        
        .scene-card .scene-name {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
            padding: 8px;
            font-size: 0.9rem;
            text-align: center;
        }
        
        .controls {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        
        .control-button {
            width: 60px;
            height: 60px;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        
        .control-button:hover {
            background: rgba(0, 229, 255, 0.3);
            transform: scale(1.1);
        }
        
        .slider-container {
            margin: 15px 0;
        }
        
        .slider-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
        }
        
        .slider {
            -webkit-appearance: none;
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: linear-gradient(90deg, #00e5ff, #b388ff);
            outline: none;
        }
        
        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #ffffff;
            cursor: pointer;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
        }
        
        .action-buttons {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        
        .action-button {
            border: none;
            padding: 12px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00e5ff, #651fff);
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .action-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
        }
        
        .action-button.secondary {
            background: linear-gradient(135deg, #b388ff, #7c4dff);
        }
        
        .vr-mode-indicator {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(0, 0, 0, 0.5);
            padding: 8px 15px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(5px);
            z-index: 20;
        }
        
        .vr-headset {
            animation: vrPulse 2s infinite;
        }
        
        @keyframes vrPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
        .progress-container {
            margin-top: 20px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .progress-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
        }
        
        .progress-bar {
            height: 10px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            overflow: hidden;
        }
        
        .progress {
            height: 100%;
            width: 75%;
            background: linear-gradient(90deg, #00e5ff, #b388ff);
            border-radius: 5px;
            position: relative;
            transition: width 0.5s ease;
        }
        
        .progress::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                      rgba(255, 255, 255, 0.1) 0%, 
                      rgba(255, 255, 255, 0.4) 50%, 
                      rgba(255, 255, 255, 0.1) 100%);
            background-size: 200% 100%;
            animation: progressGlow 2s infinite;
        }
        
        @keyframes progressGlow {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        .notification {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.7);
            padding: 12px 20px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(5px);
            animation: fadeIn 0.5s;
            z-index: 30;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translate(-50%, 20px); }
            to { opacity: 1; transform: translate(-50%, 0); }
        }
        
        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }
        
        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
            animation: float 15s infinite linear;
        }
        
        @keyframes float {
            0% {
                transform: translate(0, 0) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translate(100px, -100px) rotate(360deg);
                opacity: 0;
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 900px) {
            .vr-content {
                flex-direction: column;
            }
            
            .vr-controls {
                max-width: 100%;
            }
        }
    </style>
</head>
<body>
    <div class="vr-container">
        <!-- 粒子背景 -->
        <div class="particles" id="particles"></div>
        
        <div class="header">
            <h1>VR实景体验馆</h1>
            <p>沉浸式虚拟现实体验 - 探索世界各地的壮丽景观</p>
        </div>
        
        <div class="vr-content">
            <div class="viewer-container">
                <div class="vr-viewer">
                    <div class="vr-overlay">
                        <h2 class="scene-title">热带雨林探险</h2>
                        <p class="scene-description">探索亚马逊热带雨林的深处，体验地球上生物多样性最丰富的生态系统。倾听鸟鸣，感受湿润的空气，发现隐藏的瀑布。</p>
                    </div>
                </div>
                
                <div class="vr-mode-indicator">
                    <i class="fas fa-vr-cardboard vr-headset"></i>
                    <span>VR模式已准备就绪</span>
                </div>
            </div>
            
            <div class="vr-controls">
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-globe-americas"></i>
                        场景选择
                    </h3>
                    <div class="scene-grid">
                        <div class="scene-card active">
                            <img src="https://images.unsplash.com/photo-1511497584788-876760111969?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="热带雨林">
                            <div class="scene-name">热带雨林</div>
                        </div>
                        <div class="scene-card">
                            <img src="https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="雪山之巅">
                            <div class="scene-name">雪山之巅</div>
                        </div>
                        <div class="scene-card">
                            <img src="https://images.unsplash.com/photo-1505144808419-1957a94ca61e?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="草原日落">
                            <div class="scene-name">草原日落</div>
                        </div>
                        <div class="scene-card">
                            <img src="https://images.unsplash.com/photo-1506744038136-46273834b3fb?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=600&q=80" alt="海边日落">
                            <div class="scene-name">海边日落</div>
                        </div>
                    </div>
                </div>
                
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-gamepad"></i>
                        场景控制
                    </h3>
                    <div class="controls">
                        <div class="control-button">
                            <i class="fas fa-arrow-up"></i>
                        </div>
                        <div class="control-button">
                            <i class="fas fa-expand"></i>
                        </div>
                        <div class="control-button">
                            <i class="fas fa-volume-up"></i>
                        </div>
                    </div>
                    
                    <div class="slider-container">
                        <div class="slider-label">
                            <span>移动速度</span>
                            <span>中等</span>
                        </div>
                        <input type="range" min="1" max="10" value="5" class="slider">
                    </div>
                </div>
                
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-cog"></i>
                        设置
                    </h3>
                    <div class="action-buttons">
                        <button class="action-button">
                            <i class="fas fa-play"></i>
                            开始体验
                        </button>
                        <button class="action-button secondary">
                            <i class="fas fa-share-alt"></i>
                            分享场景
                        </button>
                        <button class="action-button">
                            <i class="fas fa-vr-cardboard"></i>
                            VR模式
                        </button>
                        <button class="action-button secondary">
                            <i class="fas fa-info-circle"></i>
                            场景信息
                        </button>
                    </div>
                </div>
                
                <div class="control-section">
                    <h3 class="section-title">
                        <i class="fas fa-tachometer-alt"></i>
                        加载状态
                    </h3>
                    <div class="progress-label">
                        <span>场景加载进度</span>
                        <span>75%</span>
                    </div>
                    <div class="progress-container">
                        <div class="progress-bar">
                            <div class="progress"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        
        <div class="notification">
            <i class="fas fa-info-circle"></i>
            提示：拖动鼠标或触摸屏即可360°查看场景
        </div>
    </div>

    <script>
        // 创建粒子背景
        function createParticles() {
            const particlesContainer = document.getElementById('particles');
            const particleCount = 50;
            
            for (let i = 0; i < particleCount; i++) {
                const particle = document.createElement('div');
                particle.classList.add('particle');
                
                // 随机位置
                const posX = Math.random() * 100;
                const posY = Math.random() * 100;
                
                // 随机大小
                const size = Math.random() * 3 + 1;
                
                // 随机动画延迟
                const delay = Math.random() * 15;
                const duration = 10 + Math.random() * 20;
                
                particle.style.left = `${posX}%`;
                particle.style.top = `${posY}%`;
                particle.style.width = `${size}px`;
                particle.style.height = `${size}px`;
                particle.style.animationDelay = `${delay}s`;
                particle.style.animationDuration = `${duration}s`;
                
                particlesContainer.appendChild(particle);
            }
        }
        
        // 场景切换功能
        function setupSceneSwitcher() {
            const sceneCards = document.querySelectorAll('.scene-card');
            const sceneTitle = document.querySelector('.scene-title');
            const sceneDescription = document.querySelector('.scene-description');
            const vrViewer = document.querySelector('.vr-viewer');
            
            const scenes = [
                {
                    title: "热带雨林探险",
                    description: "探索亚马逊热带雨林的深处，体验地球上生物多样性最丰富的生态系统。倾听鸟鸣，感受湿润的空气，发现隐藏的瀑布。",
                    bgImage: "https://images.unsplash.com/photo-1511497584788-876760111969?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                },
                {
                    title: "雪山之巅",
                    description: "站在世界之巅，俯瞰壮观的冰川和连绵的山脉。感受稀薄的空气和刺骨的寒冷，体验极限环境的壮丽景色。",
                    bgImage: "https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                },
                {
                    title: "草原日落",
                    description: "在非洲大草原上，欣赏令人窒息的日落美景。观看野生动物在金色夕阳下的剪影，感受大自然的原始魅力。",
                    bgImage: "https://images.unsplash.com/photo-1505144808419-1957a94ca61e?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                },
                {
                    title: "海边日落",
                    description: "漫步在热带海滩，感受温暖的阳光和轻柔的海风。观看夕阳沉入海平面，天空染上绚丽的橙红色调。",
                    bgImage: "https://images.unsplash.com/photo-1506744038136-46273834b3fb?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80"
                }
            ];
            
            sceneCards.forEach((card, index) => {
                card.addEventListener('click', () => {
                    // 更新活动卡片
                    sceneCards.forEach(c => c.classList.remove('active'));
                    card.classList.add('active');
                    
                    // 添加加载效果
                    vrViewer.style.opacity = '0.3';
                    
                    // 更新场景内容
                    setTimeout(() => {
                        sceneTitle.textContent = scenes[index].title;
                        sceneDescription.textContent = scenes[index].description;
                        vrViewer.style.backgroundImage = `url(${scenes[index].bgImage})`;
                        vrViewer.style.opacity = '1';
                    }, 500);
                    
                    // 显示通知
                    showNotification(`已切换到: ${scenes[index].title}`);
                });
            });
        }
        
        // 显示通知
        function showNotification(message) {
            const notification = document.createElement('div');
            notification.classList.add('notification');
            notification.innerHTML = `<i class="fas fa-info-circle"></i> ${message}`;
            
            document.querySelector('.vr-container').appendChild(notification);
            
            // 3秒后移除通知
            setTimeout(() => {
                notification.style.opacity = '0';
                setTimeout(() => {
                    notification.remove();
                }, 500);
            }, 3000);
        }
        
        // 初始化
        document.addEventListener('DOMContentLoaded', () => {
            createParticles();
            setupSceneSwitcher();
            
            // 添加控制按钮交互
            document.querySelectorAll('.control-button').forEach(button => {
                button.addEventListener('click', function() {
                    this.style.transform = 'scale(0.9)';
                    setTimeout(() => {
                        this.style.transform = '';
                    }, 200);
                    
                    // 显示不同的通知
                    const icon = this.querySelector('i').className;
                    if (icon.includes('arrow-up')) {
                        showNotification('向上移动场景');
                    } else if (icon.includes('expand')) {
                        showNotification('切换全屏模式');
                    } else if (icon.includes('volume')) {
                        showNotification('调整音量');
                    }
                });
            });
            
            // 添加动作按钮交互
            document.querySelectorAll('.action-button').forEach(button => {
                button.addEventListener('click', function() {
                    const text = this.textContent.trim();
                    showNotification(`执行操作: ${text}`);
                });
            });
        });
    </script>
</body>
</html>
